SAN FRANCISCO--Red Hat and Novell, the two top Linux sellers, have only just begun building Xen virtualization software into their products. But they're already planning to add a higher-level option.

Stephen Shankland worked at CNET from 1998 to 2024 and wrote about processors, digital photography, AI, quantum computing, computer science, materials science, supercomputers, drones, browsers, 3D ...